Answer the questions...no need detail explanation

Question 1

The waiting time at an elevator is uniformly distributed between 45 and 240 seconds. What is the probability a rider waits less than two minutes? A. 0.3846 B. 0.2205 C. 0.4154 D. 0.7795The waiting time at an elevator is uniformly distributed between 45 and 240 seconds. What are the mean and variance of this distribution? A. 97.5 seconds and 3168.75 seconds B. 97.5 seconds and 56.29 seconds C. 142.5 seconds and 3168.75 seconds D. 142.5 seconds and 56.39 seconds